Portable observation stand

Details Portable observation stand Portable observation stand

1979-08-17

1981-01-27

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder and platform

Platform with ladder as support

182129, 182156, E06C 108, E06C 1393

Patent

active

042469813

ABSTRACT:
A portable observation stand having a ladder formed of upper and lower ladder sections pivotally interconnected at adjacent ends for movement between a folded position and an extended position in end-to-end relation, a seat and a foot-support member are both pivotally connected to the upper ladder section with the seat arranged to be in operative position above and rearwardly of the foot-support member. The seat is disposed rearwardly of the rails of the upper ladder section and the foot-support member has a pivotable part thereof movable to an overlapped position with the remainder thereof whereby a person can climb the ladder to the seat level without obstruction thereby. Linkage structure interconnects the seat and foot-support member for simultaneous movement thereof between an operative position extending at a substantial angle to the upper ladder section and a storage position substantially parallel with the upper ladder section to facilitate folding of the stand.

REFERENCES:
patent: 2723674 (1955-11-01), Harris
patent: 3057431 (1962-10-01), George
patent: 3143185 (1964-08-01), Wenger
patent: 3848699 (1974-11-01), Goodwin
patent: 4134474 (1979-01-01), Stavenau

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